FLEX 本地文件写入

	import flash.events.TimerEvent;
			import flash.filesystem.File;
			import flash.filesystem.FileMode;
			import flash.filesystem.FileStream;
			import flash.geom.Point;
			import flash.utils.Timer;
			
			import flashx.textLayout.formats.Float;
			
			import mx.collections.ArrayCollection;
			import mx.collections.XMLListCollection;
			import mx.containers.TitleWindow;
			import mx.controls.Alert;
			import mx.core.IVisualElement;
			import mx.managers.CursorManager;
			import mx.managers.PopUpManager;
			import mx.rpc.events.FaultEvent;
			import mx.rpc.events.ResultEvent;
			import mx.utils.ObjectUtil;
			
			private var History:ArrayCollection = new ArrayCollection();
			
			
			
			private function Createlog(msilog:String):void{
				/*File.applicationDirectory.nativePath的值是：
				C:Documents and SettingsaMy DocumentsFlex Builder 3readTxtDemobin-debug
				*/
				var file:File = new File("c:MSILOG"+mydateFormatter1.format(new Date())+".txt");    //若没有此文件就创建它
				var stream:FileStream = new FileStream();    //创建FileStream对象
				stream.open(file,FileMode.APPEND);    //使用FileStream对象以只读方式打开File对象
				stream.writeUTF(msilog);
				stream.close();    //关闭FileStream对象
			}